A mother is 22 years older than her son. If after 3 years the mother’s age will bthree times that of her son, the son’s age at present will be:
The values of x and y if x– y = 9; 3x+ 2y = 2 are respectively,
What will be the next number in the following series of numbers 2, 5, 7, 12, 19....?
What will be the next number in the following series of numbers 13, 16, 22, 31, ...?
A merchant sold a radio of cost Rs. 70 at the price of Rs. 98. The profit is:
If p = 8, q = 3 and r = -2, then the value of 2pq−7qr/pq+4pr is:
If the circumference and the area of a circle are numerically equal then the numeri-cal value of the diameter is:
1/x-1/y=1/z, then z is equal to:
The difference of two numbers is 26 and one number is thrice the other, one of thenumber is:
There are 50 boys in a class whose average age is 12 years. There are 40 boys inanother class whose average age is 15 years. The average age of both the classes
taken together is:
The price of an article is increased by 25%, the increase is Rs. 10, then the newprice is:
Three times a number increased by 8 is as twice the number increased by 15. Thenumber is:
The total surface area of a cube is 726 cm², the volume of the cube is:
From a stick of length 6p2+ 4p + 2, two pieces each of length 3p 2+ 2 are cut off.
The length of the remaining part of the stick is:
In a class, there are 45 children, 20 of those have offered Science but not Historywhere as 30 have offered Science. The number of students who have offered
History but not Science is: